Fitiki [fi:tik] jẹ eto fun sisẹ data ati aiṣedeede ekoro ibamu.

Ni akọkọ ti a lo

• nipasẹ sayensi ti o itupalẹ data lati lulú diffraction, chromatography, photoluminescence ati photoelectron spectroscopy, infurarẹẹdi ati Raman spectroscopy, ati awọn miiran esiperimenta imuposi,

• lati baamu awọn oke giga - awọn iṣẹ ti o ni apẹrẹ agogo (Gaussian, Lorentzian, Voigt, Pearson VII, Gaussian bifurcated, EMG, Doniach-Sunjic, ati bẹbẹ lọ),